<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
    <style>
        .container{
            width: 400px;
            height: 400px;
            background-color: aqua;
            margin: 0 auto;
            position: relative;
        }
        .left-arrow{
            width: 50px;
            height: 50px;
            background-color: thistle;
            position: absolute;
            line-height: 50px;
            text-align: center;
            border-top-right-radius: 50%;
            border-bottom-right-radius: 50%;
            top: 175px;
            cursor: pointer;
        }
        .right-arrow{
            width: 50px;
            height: 50px;
            background-color: thistle;
            position: absolute;
            line-height: 50px;
            text-align: center;
            border-top-left-radius: 50%;
            border-bottom-left-radius: 50%;
            top: 175px;
            left: 350px;
            cursor: pointer;
        }
        .bottom-container{
            width: 200px;
            height: 30px;
            background-color:thistle;
            position: absolute;
            bottom: 20px;
            left: 100px;
            cursor: pointer;
        }
        .dot{
            display: inline-block;
            background-color:whitesmoke;
            height: 100%;
            width: 30px;
            text-align: center;
            line-height: 30px;
            margin-left: 13px;
            border-radius: 50%;
        }
    </style>
</head>
<body>
    <div class="container">
        <div class="left-arrow">&lt;</div>
        <div class="right-arrow">&gt;</div>
        <div class="bottom-container"><div class="dot"></div>
            <div class="dot"></div>
            <div class="dot"></div>
            <div class="dot"></div>
        </div>
    </div>
</body>
</html>